<p>Upgrade <code>Oracle:8</code> <code>libtar</code> to version 0:1.2.20-17.el8 or higher.<br>This issue was patched in <code>ELSA-2023-2898</code>.</p>

Out-of-bounds Read Affecting libtar package, versions <0:1.2.20-17.el8

Snyk CVSS

Attack Complexity Low

Confidentiality High

Availability High

Threat Intelligence

EPSS 0.34% (72^nd percentile)

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Snyk ID SNYK-ORACLE8-LIBTAR-5599391
published 25 May 2023
disclosed 10 Aug 2022

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Introduced: 10 Aug 2022

CVE-2021-33643 Open this link in a new tab CWE-125 Open this link in a new tab

How to fix?

Upgrade Oracle:8 libtar to version 0:1.2.20-17.el8 or higher.
This issue was patched in ELSA-2023-2898.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libtar package and not the libtar package as distributed by Oracle. See How to fix? for Oracle:8 relevant fixed versions and status.

An attacker who submits a crafted tar file with size in header struct being 0 may be able to trigger an calling of malloc(0) for a variable gnu_longlink, causing an out-of-bounds read.